genus Pan vs mammal genus

genus Pan and mammal genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Pan	Yes	No	No	No
mammal genus	Yes	No	No	No

As nouns, mammal genus is a hypernym of genus Pan; that is, mammal genus is a word with a broader meaning than genus Pan:

genus Pan: chimpanzees; more closely related to Australopithecus than to other pongids
mammal genus: a genus of mammals

genus Pan (noun)	mammal genus (noun)
chimpanzees; more closely related to Australopithecus than to other pongids	a genus of mammals